Most people seem to have the impression of a summer climate throughout the year.However the average temperature between January and March can drop below 20℃.Please don’t forget to bring warm clothes for visiting the islands between December and May as it can become cold in the mornings as well as the evenings!! The sun is also quite strong even during the winter.Please bring a hat/ sunglasses/ sunscreen when going to the beach or walking around the island during the day!!

〈 Climate and clothes worn throughout the year 〉
■April to May [ Temperature during the day is around 25℃ Temperature in the mornings and evenings are around 18℃ ]
Fine days can be as hot as in the summer, however the temperature can suddenly drop due to changes with the weather, and so sweatshirts or windbreakers are necessary.From the beginning until the middle of May is the rainy season and it can continue to rain for a few days.

■June to September [ Temperature during the day is around31℃ Temperature in the mornings and evenings are around24℃ ]
Please be careful with sunburns and dehydration as humidity is high and the sunlight is strong during the day.Make sure to carry at least a liter of water or a drink when visiting locations away from the center of the village.Take at least 2 liters if you plan to hike up a mountain.Around the middle of August becomes the typhoon season.

■October to November [ Temperature during the day is around28℃ Temperature in the mornings and evenings are around22℃ ]
It can become as hot as in the summer on fine days, however there are also days with low temperature so it would be better to have clothes such as sweatshirts or windbreakers.The water temperature stays high during this period, which makes it suitable for swimming on a fine day.However the typhoon season approaches after this so please be careful.

■December to March [ Temperature during the day is around20℃ Temperature in the mornings and evenings are around15℃ ]
There are fine days when just a t-shirt would be comfortable, yet it can become chilly when the wind from the north blows or during the mornings and evenings.For these reasons it would be better to have clothes that protect you from the wind, clothes such as trainers that retain humidity, long sleeve shirts, and long pants as well as socks.

There is a ceremony for the first day of swimming in the sea every New Year’s Day in Ogasawara, however the period for comfortably swimming in swimsuits is from June to October.The water temperature in seasons apart from that period is low, and so wet suits may be necessary.We also recommend wearing rash guards during seasons when it is possible to swim with swimsuits in order prevent sunburns.

There are no banks, however bank cards (excluding Shoko Chukin Bank, Choki Shinyo Ginko (long-term credit bank), and network banks)/ post office cash cards can be used at the ATM of JA (Japan Agricultural Cooperatives).* However they can only be used for withdrawing and commission will be charged.

Wi-Fi (free) is available at the Oki Port Passenger Ship Terminal.It is possible to use high-speed mobile networks such as 3G and 4G (LTE) provided by various mobile phone carriers within the village area.
Please refer to amenities/ facility details of accommodation facilities for Internet environment conditions at each lodging.

There are no 24-hour open convenience stores or large super markets.However there are stores that handle food products, general goods, as well as daily necessities, the agricultural cooperatives/ fishery cooperatives store, and the Maeda store.

★Agricultural cooperatives store… Open hours: 8:00 to 17:30 * Closed from 13:00 to 15:00 and Closed in the afternoons on days when the Ogasawara-maru leaves and the following day.
★Fisheries cooperatives store… Open hours: 8:00 to 18:00 ※Closed dates not fixed
★Maeda store… Open hours: 8:00 to 18:00 * Closed on Sundays and holidays
★Please be aware that all stores may be closed when the following day of the departure of the Ogasawara-maru is a Sunday or a holiday.

Lunch boxes are sold at “Restaurant Austro” (reservation required a day in advance), “Hahajima Bento” (reservation required by 10:00 a.m. on the day), Captain Cook Hahajima, and Spam rice balls are also sold at the Hahajima Agricultural Cooperatives store from 8:00 a.m.
Lunch boxes can also be ordered at accommodation facilities when joining tours from early in the morning tours.(reservation required a day in advance)

A. People do not have to be accompanied by a guide when entering Mt. Chibusayama.Visitors can hike without being accompanied by guides, however we do also recommend guided tours that will allow you to further enjoy the mountain.Please refer to here for details of the guides.
※Guided tours are only available in Japanese.
The Hahajima Tourist Association issues a memorial certificate for climbing to the top of Chibusayama (300 Yen).Please apply at the Hahajima Tourist Association desk before climbing if you wish to order one.

People do not have to be accompanied by a guide when entering Mt. KOfuji.Visitors can hike without being accompanied by guides, however we do also recommend guided tours that will allow you to further enjoy the mountain.Please refer to here for details of the guides.
※Guided tours are only available in Japanese.
The Hahajima Tourist Association issues a memorial certificate for climbing to the top of Kofuji (300 Yen).Please apply at the Hahajima Tourist Association desk before climbing if you wish to order one.

Sekimon is a deep forest with many endemic animals and plants of Hahajima.Please refer to here for more details.
Visitors must be accompanied by guides certified by the Tokyo metropolitan government in order to enter Sekimon.Please make sure to apply for a guided tour!
※Guided tours are only available in Japanese.
This course is recommended for those who are physically fit and are interested in plants as it involves walking on unpaved paths for long periods of time.
There are also no lavatories on the course so please use portable toilets when necessary.Portable toilets are provided at the Hahajima Tourist Association.Please pay 380 Yen if used.

※According to voluntary rules the Sekimon route can be used from March to September (only a section of the route can be used in March).
We recommend reserving before arriving on Hahajima for tours as they may become full.

Mt. Sakaigatake is a mountain standing mid-way into the forest of Sekimon where it is possible to enjoy tree ferns.The length of the walk is shorter than Sekimon, however it is recommended for those who are physically fit with interest in plants as the course requires walking up unpaved trails.Please refer to here for more details.
People must be accompanied by guides certified by the Tokyo metropolitan government.Please make sure to apply for a guided tour.
We recommend reserving before arriving on Hahajima for tours as they may become full.
※Guided tours are only available in Japanese.

A. The only tour that can be joined within the standard schedule of the Hahajima-maru (Leaving Chichijima at 7:30, leaving Hahajima at 14:00) is the island sightseeing tour (approximately 2 and a half hours).
Please contact guides or the Hahajima Tourist Association for one-day trips from Chichijima during New Year’s, spring holiday, and summer holidays when the Ogasawara-maru arrives and departs on the same day.

* Visitors planning to return to Chichijima on the same day may miss the return ship if the restaurant is busy, and so we recommend bringing lunch from Chichijima.

■Clothes
Short sleeve t-shirts or long sleeve shirts with long pants are suitable in the summer (June to September).We recommend not exposing too much skin as you can get cuts from the branches of trees.Humidity is extremely high on Hahajima during the summer so please select clothes using materials that dry quickly.
he spring and fall (October to November, April to May) also has high temperature that is not so different from the summer, however it may be safer to have something to wear on top of your clothes such as a windbreaker.
Warm clothes on top of short sleeve or long sleeve shirts, light down jackets are recommended during the winter (December to March).
※Please bring trekking shoes.

■Things to bring
Drinks, rain gear, sunscreen, towel. Lunch box if staying out for the day.
Please prepare over 2 liters of drinks during the summer 1 liter even in the winter.Make sure to have rain gear as the weather may suddenly change.Trekking sticks may also be useful.

There is the Hahajima Health Clinic.
A health insurance certificate is required when visiting the clinic.We recommend you to bring your certificate in case of injuries or becoming ill.* Copies are unaccepted.
Hahajima Health Clinic: TEL: 04998-3-2115

A. There is no pharmacy on Hahajima.Please be aware that there are no facilities that sell medicines! The Hahajima-maru may rock easily with small waves, as it is a smaller vessel compared to the Ogasawara-maru.For those who require motion sickness medication, please purchase for a round-trip at the pharmacy on Chichijima before boarding the Hahajima-maru.

■Open hours／8:00～12:00, 13:00～17:00
■Closed days／On Saturdays, Sundays, and national holidays when the Ogasawara-maru is out of the port of Chichijima
(The afternoon on the departure day becomes closed if the departure day of the Ogasawara-maru is a Saturday, Sunday, or national holiday).